3920886 has 20 divisors (see below), whose sum is σ = 8786052. Its totient is φ = 1306908.

The previous prime is 3920867. The next prime is 3920899. The reversal of 3920886 is 6880293.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3920886.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 11940 + ... + 12263.

Almost surely, 2^3920886 is an apocalyptic number.

3920886 is an abundant number, since it is smaller than the sum of its proper divisors (4865166).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3920886 is a wasteful number, since it uses less digits than its factorization.

3920886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24217 (or 24208 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 3920886 is about 1980.1227234694. The cubic root of 3920886 is about 157.6865816008.

The spelling of 3920886 in words is "three million, nine hundred twenty thousand, eight hundred eighty-six".